Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25691bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25
MD5b3f5d8a881bf8c1c0431cb6b9747918f
File Typeexe
Size71.5 KB
First Seen2022-12-21
File Name91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25
TagsBabuk, exe, Ransomware

Malware Family: Babuk

Babuk, ESXi'yi şifreler.

TypeRansomware
Programming LanguageC++
Target PlatformWindows/Linux
C2 Protocol
PurposeESXi şifreleme
First Seen Year2021

Threat Indicators (IOC)

  • SHA256: 91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25
  • MD5: b3f5d8a881bf8c1c0431cb6b9747918f

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule Babuk_SHA256 {
    meta:
        description = "Babuk sample: 91bd5168b9b0026b"
        threat_level = "high"
        first_seen = "2022-12-21"
    condition:
        hash.sha256(0, filesize) == "91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25"
}

Babuk — Malware Profile

Babuk, 2021 aktif .NET tabanlı ransomware ailesidir. Kaynak kodu sızdırılmış. ESXi ve Windows versiyonları.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows/Linux

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — Babuk
# SHA256 91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25 # MD5 b3f5d8a881bf8c1c0431cb6b9747918f
TypeValueNote
sha256 91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25 Sample:Babuk
md5 b3f5d8a881bf8c1c0431cb6b9747918f Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi